23012242040 has 32 divisors (see below), whose sum is σ = 51815544480. Its totient is φ = 9198141312.

The previous prime is 23012242031. The next prime is 23012242109. The reversal of 23012242040 is 4024221032.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155747 + ... + 265106.

It is an arithmetic number, because the mean of its divisors is an integer number (1619235765).

Almost surely, 2^23012242040 is an apocalyptic number.

23012242040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23012242040 is an abundant number, since it is smaller than the sum of its proper divisors (28803302440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23012242040 is a wasteful number, since it uses less digits than its factorization.

23012242040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422231 (or 422227 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 23012242040 its reverse (4024221032), we get a palindrome (27036463072).

The spelling of 23012242040 in words is "twenty-three billion, twelve million, two hundred forty-two thousand, forty".